The present study, presents a practical vision of Congolese constitutionalism in particular, and endeavors to explain in a simple way and well beyond doctrinal controversies the situation studied.The consequence being the conclusion deduced from a fact, from a principle, the results which explain (or are explained through) a phenomenon which occurs, the work, deducing from the principle according to which the Constitution organizes the game of political power, determines the modalities of access and exercise of it, It discusses the question of what place to give, in the hierarchy of norms, to conventional norms, which come to separate the political parties in a situation of crisis, and tries to establish the way to pass from a situation of legal discomfort to a juridicality of the exercise of political power.Thus, reviewing the different legal rules, judicial precedents and doctrinal opinions at length, the book analyzes the situation in two parts.